Sam Harris – Science can answer moral questions

Questions of good and evil, right and wrong are commonly thought unanswerable by science. But Sam Harris argues that science can — and should — be an authority on moral issues, shaping human values and setting out what constitutes a good life.

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Manu Prakash

Manu Prakash — A 50-cent microscope that folds like origami

Perhaps you’ve punched out a paper doll or folded an origami swan? TED Fellow Manu Prakash and his team have created a microscope made of paper that’s just as easy to fold and use. A sparkling demo that shows how this invention could revolutionize healthcare in developing countries … and turn almost anything into a…